4978751 has 2 divisors, whose sum is σ = 4978752. Its totient is φ = 4978750.

The previous prime is 4978723. The next prime is 4978769. The reversal of 4978751 is 1578794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4978751 - 2¹⁴ = 4962367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4978699 and 4978708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489375 + 2489376.

It is an arithmetic number, because the mean of its divisors is an integer number (2489376).

Almost surely, 2^4978751 is an apocalyptic number.

4978751 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978751 is an equidigital number, since it uses as much as digits as its factorization.

4978751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 41.

The square root of 4978751 is about 2231.3114977519. The cubic root of 4978751 is about 170.7550155122.

The spelling of 4978751 in words is "four million, nine hundred seventy-eight thousand, seven hundred fifty-one".